FUEL WARS: 2017 Toyota Tundra 5.7L Supercharged
Real dyno results prove it: eFlexFuel E85 kits unlock hidden horsepower. This supercharged Tundra gained +44 WHP instantly. See if your vehicle qualifies for conversion.
January 27, 2026

In this episode of Fuel Wars! we strap an eFlex equipped 2015 Honda Civic Si 2.4L to the dyno to compare E85 Vs Premium gas performance. No adjustments or user inputs were made, just switching fuel and letting the eFlex kit do its thing.